There are many causes of drooling, which may belong to normal physiological phenomenon, oral ulcers, gastroesophageal reflux disease and so on, and it is necessary to choose the appropriate solution treatment according to the actual cause of the disease. 1. normal physiological phenomenon: drooling may be a normal physiological phenomenon, when contact with acidic food, the human body will produce a conditioned reflex, the salivary glands will secrete a large amount of liquid, resulting in drooling, generally do not need special treatment, you need to keep the oral cavity clean. 2. Mouth ulcers: Mouth ulcers may be related to dietary habits, traumatic stimulation, low immunity and other factors, resulting in ulceration and breakage of the oral mucosa, which triggers salivary secretion under the effect of pain stimulation and increases drooling, which can be treated with medications such as ice borax and lidocaine gel under the doctor’s advice and guidance, and oral hygiene is maintained in daily life to avoid spicy and stimulating foods. 3. Gastroesophageal Reflux Disease (GERD): If the peristaltic function of the gastrointestinal tract decreases, the balance of the reflux mechanism of the gastroesophagus breaks down, and excessive secretion of gastric acid, gastroesophageal reflux occurs, stimulating the glands in the mouth, resulting in an increase in oral drooling, daily keep a light diet, and develop a good dietary habit. Under the advice of the doctor, apply medications such as ranitidine capsules, omeprazole enteric capsules, and other medications to treat the condition. Drooling may also have other reasons, if the problem of drooling can not be relieved, should go to the hospital in time for examination, symptomatic treatment, the use of drugs need to follow the doctor’s instructions.